True TSD-69 Installation guide

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Installation guide

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TABLE OF CONTENTS
Safety Information
Safety Precautions 1
TSD Do’s and Don’ts 2
Proper Disposal 3
Connecting Electricity 4
Adapter Plugs 4
Installation / Operation Instructions
Ownership 5
Required Tools 5
Uncrating 5
Leveling Cabinet 6
Installation of Castors or Optional Legs 7
Installing Optional Castors on a T-12FG 8
Slide Door Operation Instructions 9
Wire Gauge Chart 10
Sealing Cabinet to Floor & Electrical Inst. 11
Start-up 12
Shelving Install/Operation & Light Switches 13
Grasslin Defrost Timer (Freezer Units Only) 14
Field Troubleshooting (Freezer Units Only) 15-16
Light Cover Install for T-12FG 17
Maintenance, Care & Cleaning
Cleaning Condenser Coil 18-19
Temperature Control Adjustment 20
Stainless Steel Equipment Care & Cleaning 21-22
Light Bulb Replacement 22
Warranty (U.S.A. & CANADA ONLY!) 23
INSTALLATION MANUAL FOR T-SERIES FREEZER /
REFRIGERATOR (SWING AND SLIDE DOOR)
T-SERIES
FREEZER / REFRIGERATOR SWING
& SLIDE DOOR
TRUE FOOD SERVICE EQUIPMENT, INC.
2001 East Terra Lane • O’Fallon, Missouri 63366-4434
(636)-240-2400 • FAX (636)272-2408 • INT’L FAX (636)272-7546 • (800)325-6152
Parts Department (800)424-TRUE • Parts Department FAX# (636)272-9471
CONGRATULATIONS!
You have just purchased the finest commercial
freezer / refrigerator available. You can expect many
years of trouble-free operation.
T-23
TSD-47G
TSD-69
T-35
4/30/10 -500 SB #897001
*Spanish, German, French, Dutch, and Arabic versions included.
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SAFETY INFORMATION
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This refrigerator must be properly installed and
located in accordance with the Installation
Instructions before it is used.
Do not allow children to climb, stand or hang
on the shelves in the refrigerator. They could
damage the refrigerator and seriously injure
themselves.
Do not touch the cold surfaces in the freezer
compartment when hands are damp or wet.
Skin may stick to these extremely cold surfaces.
Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
Keep fingers out of the “pinch point” areas;
clearances between the doors and between the
doors and cabinet are necessarily small; be
careful closing doors when children are in the
area.
NOTE: We strongly recommend that any
servicing be performed by a quali ed
individual.
Unplug the refrigerator before cleaning and
making repairs.
Setting temperature controls to the 0 position
does not remove power to the light circuit,
perimeter heaters, or evaporator fans.
WARNING!
Use this appliance for its intended purpose as described
in this Owner Manual.
This cabinet contains fluorinated greenhouse gas covered by the Kyoto Protocol
(please refer to cabinet’s inner label for type and volume,
GWP of 134a= 1,300. R404a= 3,800).
How to Maintain Your Freezer
/ Refrigerator to Receive the Most
Efficient and Successful Operation
You have selected one of the  nest commercial refrigeration units made.
It is manufactured under strict quality controls with only the best quality
materials available. Your TRUE cooler when properly maintained will give
you many years of trouble-free service.
SAFETY PRECAUTIONS
When using electrical appliances, basic safety precautions should be followed, including the following:
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SAFETY INFORMATION
PROPER DISPOSAL OF THE FREEZER /
REFRIGERATOR
DANGER!
RISK OF CHILD ENTRAPMENT
USE OF EXTENSION CORDS
NEVER USE AN EXTENSION CORD! TRUE will not warranty any refrigerator that has been
connected to an extension cord.
Child entrapment and suffocation are not problems
of the past. Junked or abandoned refrigerators are
still dangerous… even if they will sit for “just a few
days.” If you are getting rid of your old refrigerator,
please follow the instructions below to help
prevent accidents.
Before You Throw Away Your Old Refrigerator
or Freezer:
Take off the doors.
Leave the shelves in place so that children may
not easily climb inside.
Refrigerant Disposal
Your old refrigerator may have a cooling system
that uses “Ozone Depleting ” chemicals. If you are
throwing away your old refrigerator, make sure the
refrigerant is removed for proper disposal by a
qualified service technician. If you intentionally
release any refrigerants you can be subject to
fines and imprisonment under provisions of the
environmental regulations.
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WARNING!
SAFETY INFORMATION
The power cord of this appliance is equipped with a
3-prong (grounding) plug which mates with a standard
3-prong (grounding) wall outlet to minimize the possibility
of electric shock hazard from this appliance.
Have the wall outlet and circuit checked by a qualified
electrician to make sure the outlet is properly grounded.
If the outlet is a standard 2-prong outlet, it is your personal
responsibility and obligation to have it replaced with the
properly grounded 3-prong wall outlet.
The refrigerator should always be plugged into it’s own
individual electrical circuit, which has a voltage rating
that matches the rating plate.
This provides the best performance and also prevents
overloading building wiring circuits which could cause
a fire hazard from overheated wires.
Never unplug your refrigerator by pulling on the power
cord. Always grip plug firmly and pull straight out from
the outlet.
Repair or replace immediately all power cords that have
become frayed or otherwise damaged. Do not use a cord
that shows cracks or abrasion damage along its length
or at either end.
When removing the refrigerator away from the wall, be
careful not to roll over or damage the power cord.
WIRING CONVERSION
At Receptacle Box
1. Turn breaker off
2. Disconnect all wires from receptacle
3. Insulate red wire (tape or wire nut)
4. Connect black, white, and green wires
to 3 prong plug NEMA 5-20R per
instructions on receptacle
At Breaker Panel
1. With breaker turned off, remove wires
2. Remove double pole breaker
3. Install single pole breaker
4. Connect black wire to breaker
5. Insulate red wire
6. Turn breaker back on
HOW TO CONNECT ELECTRICITY
Do not, under any circumstances, cut or remove the third (ground) prong from the power cord.
For personal safety, this appliance must be properly grounded.
USE OF ADAPTER PLUGS
NEVER USE AN ADAPTER PLUG! Because of potential safety hazards under certain conditions,
we strongly recommend against the use of an adapter plug.
T-72F WIRING CHANGES (110V Application Only)
Previous design: 4 prong plug NEMA 14-20R - 4 wire circuit (see image 1).
Current design: 3 prong plug NEMA 5-20R - 3 wire circuit (see image 2).
TRUE uses these types of plugs. If you do
not have the right outlet have a certified
electrician install the correct power source.
(North America Use Only!)
NEMA plugs
1 2
NOTE: It is the customer’s responsibility to make sure receptacle
wiring meets all local electrical codes. TRUE recommends hiring
a licensed quali ed electrician to make this change.
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INSTALLATION / OPERATION INSTRUCTIONS
To insure that your unit works properly from the
first day, it must be installed properly. We highly
recommend a trained refrigeration mechanic and
electrician install your True equipment. The cost
of a professional installation is money well spent.
Before you start to install your True unit,
carefully inspect it for freight damage. If damage
is discovered, immediately file a claim with the
delivery freight carrier.
True is not responsible for damage incurred
during shipment.
OWNERSHIP
Adjustable Wrench
Phillips Head Screwdriver
Level
REQUIRED TOOLS
NOTE:
Units with a solar thermometer will experience a 15
second delay after exposed to light before it reads
the proper temperature.
The following procedure is recommended for uncrating
the unit:
A. Remove the outer packaging, (cardboard and
bubbles or styrofoam corners and clear plastic).
Inspect for concealed damage. Again, immediately
file a claim with the freight carrier if there is
damage.
B. Move your unit as close to the final location as
possible before removing the wooden skid.
C. Remove door bracket on swinging glass door models
(see image 1-2). Sliding glass door models contain
shipping blocks (three for each door). Remove
the two styrofoam blocks taped to the top of the
door tracks (see image 3). The shipping blocks
are orange in color and by opening the door a little
the blocks can be removed (see images 4-6). Do
not throw the bracket or blocks away. For future
cabinet movement the bracket and blocks will need
to be installed so the glass door does not receive any
damage. (See image for bracket and shipping block
removal)
Note: Keys for coolers with door locks are located in
warranty packets
.
UNCRATING
INSTALLATION / OPERATION INSTRUCTIONS
1 2 3
4
5
6
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INSTALLATION / OPERATION INSTRUCTIONS
P
A. Set unit in its final location. Be sure there is
adequate ventilation in your room. Under extreme heat
conditions, (100°F+, 38°C+), you may want to install an
exhaust fan.
Warning
Warranty is void if ventilation is insufficient.
B. Proper leveling of your True cooler is critical to
operating success (for non-mobile models). Effective
condensate removal and door operation will be effected
by leveling.
C. The cooler should be leveled front to back and side
to side with a level.
D. Ensure that the drain hose or hoses are positioned in
the pan.
E. Free plug and cord from inside the lower rear of the
cooler (do not plug in).
F. The unit should be placed close enough to the
electrical supply so that extension cords are never used.
Warning
Compressor warranties are void if the unit is
more than 7 ft. (2.1m) from plug-in connection.
LEVELING
LOCATING
REMOTE UNITS (This section applies to
remotes only!)
Remote cabinets must be ordered as remote.
We do not recommend converting from a
standard self contained to remote system.
All remote cabinets must be hard wired.
No castors available.
All remote cabinets come standard using 404A
refrigerant.
All remote units come standard with expansion
valve, liquid line solenoid, heated condensate
pan, and defrost timer when applicable.
Contact True Technical Service for BTU
requirements.
No wiring necessary between cabinet and
condensing unit.
All remote condensing units purchased from
True are 208/230 volts single phase.
If you have any questions regarding this
section, please call True at 1-(800)-325-6152.
A. Remove louver from the front of cabinet (see page
17 for louver grill removal / reinstallation) and
backguard (if applicable) from rear of cabinet.
B. Skid bolts are located in each of 4 corners inside
cabinet bottom. (See photo A).
C. Remove skid bolts. (See photo B).
D. Cut straps if applicable. (See photo C).
E. Carefully lift cabinet off of skid.
Removing skid from
bottom of cabinet.
A
B
C
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INSTALLATION / OPERATION INSTRUCTIONS
Rail End
Lower Rail
Assembly
Snug Fit
Here
Leveling Shim
CastorLeg
Bearing
Race
Lower Rail Assembly
Snug Fit
Here
Rail End
Thread castor into the underside of
cabinet frame rail.
Thread leg into cabinet bottom
frame rail.
The end of the leg is adjustable
to easy leveling.
Use the tool provided to tighten
the castor into place.
For leveling, insert the shim between the
castor and frame rail.
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2
3
4
5
INSTALLATION OF CASTORS OR OPTIONAL LEGS
Important Safeguard for installation of leg/castor (Images 1-5 demonstrate procedure)
Securing Castors and Legs
To obtain maximum strength and stability of the
unit, it is important that you make sure each castor
is secure. Optional legs are hand-tightened securely
against the lower rail assembly see image 4-5. The
bearing race on the castor or the top edge of the
leg must make firm contact with the rail.
Unit leveling
Four leveling shims have been provided for
leveling castored units positioned on uneven
oors. Shims must be positioned between rail
end and bearing race.
A. Turn the bearing race counter-clockwise until
the cabinet is level. Level front to back and side to
side. (diagonally)
B. Install the desired number of shims, making sure
the slot of the shim is in contact with the threaded
stem of the castor. (See image 2)
C. If more than one shim is used, turn the slot at a
90° angle so they are not in line.
D. Turn the bearing race clockwise to tighten
and secure the castor by tightening the anchoring
bolt with a 3/4 inch open-end wrench or the tool
provided. (See image 3)
CAUTION
To avoid damage to lower rail assembly,
slowly raise unit to upright position.
Note: Open holes located on the cross members of the
frame rail should be plugged before unit is in use.
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Final Location
A. Place styrofoam corners behind cooler for cushion
and carefully tilt unit on it’s back.
B. Remove the louvered grill by removing four
phillips-head screws.
C. Remove the four bolts from the skid with an
adjustable wrench, and locate the four castors. Castors
are placed inside cooler, within the bubble wrap.
D. Install one castor in each of the four female threaded
areas as indicated.
NOTE: Two out of the four castors are designated
with an “F” for front. These are provided with
hand-brakes. Position these castors in FRONT of
the unit.
E. When all castors have been threaded fully, replace
grill and lift unit; positioning it into its final location.
F. Ensure that the two front castors are positioned
FORWARD as illustrated and locked down with the
hand-brakes.
WARNING:
Unit may tip forward if procedure “F” is not
strictly followed.
G. Units final location should be adequately ventilated.
Conditions where heat exceeds 100ºF require an
exhaust fan.
H. Ensure that the drain hose for hoses are positioned
in the pan.
I. Free plug and cord from inside the lower rear of the
cooler (Do Not Plug In.)
WARNING:
Warranty is VOID if ventilation is insufficient.
J. The unit should be placed close enough to the
electrical supply so that extension cords are NEVER
used.
WARNING:
Compressor warranties are void if the unit is more
than 6 1/2ft. (1.98m) from plug-in connection.
K. Proper leveling of your TRUE cooler is critical to
operating success. Effective condensate removal and
door operation will be effected by leveling. Adjust
castors or add shims.
INSTALLING OPTIONAL CASTORS ON A T-12FG
INSTALLATION / OPERATION INSTRUCTIONS
POSITIONING OF THE
CASTOR IS CRITICAL. ORIENT
THE CASTOR IN THE FORWARD
POSITION AS SHOWN
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INSTALLATION / OPERATION INSTRUCTIONS
STEP 2
Using a 7/16” wrench or adjustable wrench
and 1/8” allen wrench loosen roller and
move along slotted hole. After adjustment
has been made
tighten the
roller into
place. See
image 10.
Image 10
TO ADJUST SLIDE DOOR
P-Clip keeps cord
in-place (prevents
cord damage).
Image 8
Image 6 (Three Door Units ONLY)
STEP 6
Remove door cord from roller bracket. The
black plastic tab holding the door cord slides
out the back. See images 7 & 8.
STEP 1
After cabinet is installed in a final location
and correctly leveled check for any openings
when the slide doors are completely closed.
If there are any gaps/openings between
the closed doors and cabinet, the doors
will need to be adjusted.
STEP 7
Let the door cord slowly retract back into
the door side channel. The knot tied at the
end of the door cord will keep the cord
from retracting all the way back into the
door channel. See image 9.
CENTER DOOR
CENTER DOOR
Image 3 (Three Door Units ONLY)
STEP 1
Before removing slide door do not use the side
latch. Tension on the door cord is needed to
execute these operation instructions. Doors
can not be removed unless placed in specific
locations stated in these instructions.
STEP 2
Two Door Units: Slide the front door so it is
centered on the cabinet. The door can not be
removed unless it is centered. See image 1
for door channel openings and image 2 for
centering door.
Three Door Units: Slide the middle door to
the right side so the glass is centered with the
left edge of the right side door. See image 3.
Image 1 (Two Door Units ONLY)
Image 2 (Two Door Units ONLY)
CENTERED DOOR
CENTERED DOOR
Image 5 (Three Door Units ONLY)
True Logo
STEP 5
Slide left door to the right so right edge lines
up with the end of the True Logo located at
the top of the door frame. See image 6. Then
lift door out of track same way as image 4.
STEP 4
Slide right door to the left so left edge lines
up with the left edge of True Logo located
above the door. See image 5. Then lift door
out of track same way as image 4.
STEP 3
After centering the door lift it up and tilt top of
door towards the back of the unit so the rollers
are out of the top channel. Swing the bottom
of the door out of the bottom channel. Then
remove the door and set it down. See image 4.
(TWO DOOR UNITS SKIP TO STEP 6)
True Logo
Gasket fasten to door bottom assures door
will remain in track when unit is placed on
uneven surface.
Image 4
Image 7
Door Cord
Knot
Image 9
SLIDE DOORS
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INSTALLATION / OPERATION INSTRUCTIONS
Wire Gauge for 2% Voltage Drop in Supply Circuits
115 Volt Distance In Feet To Center of Load
Amps 20 30 40 50 60 70 80 90 100 120 140 160
2 14 14 14 14 14 14 14 14 14 14 14 14
3 14 14 14 14 14 14 14 14 14 14 14 12
4 14 14 14 14 14 14 14 14 14 12 12 12
5 14 14 14 14 14 14 14 12 12 12 10 10
6 14 14 14 14 14 14 12 12 12 10 10 10
7 14 14 14 14 14 12 12 12 10 10 10 8
8 14 14 14 14 12 12 12 10 10 10 8 8
9 14 14 14 12 12 12 10 10 10 8 8 8
10 14 14 14 12 12 10 10 10 10 8 8 8
12 14 14 12 12 10 10 10 8 8 8 8 6
14 14 14 12 10 10 10 8 8 8 6 6 6
16 14 12 12 10 10 8 8 8 8 6 6 6
18 14 12 10 10 8 8 8 8 8 8 8 5
20 14 12 10 10 8 8 8 6 6 6 5 5
25 12 10 10 8 8 6 6 6 6 5 4 4
30 12 10 8 8 6 6 6 6 5 4 4 3
35 10 10 8 6 6 6 5 5 4 4 3 2
40 10 8 8 6 6 5 5 4 4 3 2 2
45 10 8 6 6 6 5 4 4 3 3 2 1
50 10 8 6 6 5 4 4 3 3 2 1 1
Wire Gauge for 2% Voltage Drop in Supply Circuits
230 Volts Distance In Feet To Center of Load
Amps 20 30 40 50 60 70 80 90 100 120 140 160
5 14 14 14 14 14 14 14 14 14 14 14 14
6 14 14 14 14 14 14 14 14 14 14 14 12
7 14 14 14 14 14 14 14 14 14 14 12 12
8 14 14 14 14 14 14 14 14 14 12 12 12
9 14 14 14 14 14 14 14 14 12 12 12 10
10 14 14 14 14 14 14 14 12 12 12 10 10
12 14 14 14 14 14 14 12 12 12 10 10 10
14 14 14 14 14 14 12 12 12 10 10 10 8
16 14 14 14 14 12 12 12 10 10 10 8 8
18 14 14 14 12 12 12 10 10 10 8 8 8
20 14 14 14 12 10 10 10 10 10 8 8 8
25 14 14 12 12 10 10 10 10 8 8 6 6
30 14 12 12 10 10 10 8 8 8 6 6 6
35 14 12 10 10 10 8 8 8 8 6 6 5
40 14 12 10 10 8 8 8 6 6 6 5 5
50 12 10 10 8 6 6 6 6 6 5 4 4
60 12 10 8 6 6 6 6 6 5 4 4 3
70 10 10 8 6 6 6 5 5 4 4 2 2
80 10 8 8 6 6 5 5 4 4 3 2 2
90 10 8 6 6 5 5 4 4 3 3 1 1
100 10 8 6 6 5 4 4 3 3 2 1 1
CONDUCTORS AND CIRCUITS
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INSTALLATION / OPERATION INSTRUCTIONS
A. Before your new unit is connected to a
power supply, check the incoming voltage with a
voltmeter. If anything less than 100% of the rated
voltage for operation is noted, correct immediately.
B. All units are equipped with a 7 ft. (2.1m) service
cord, and must be powered at proper operating
voltage at all times. Refer to cabinet data plate for
this voltage.
True requires that a sole use circuit be dedicated
for the unit. Failure to do so voids warranty.
WARNING
Compressor warranties are void if compressor
burns out due to low voltage.
WARNING
Power supply cord ground should not be
removed!
NOTE
To reference wiring diagram - Remove front
louvered grill, wiring diagram is positioned on the
inside cabinet wall.
ELECTRICAL INSTRUCTIONS
Step 1 - Position Cabinet
Allow one inch between the wall and rear of
the refrigerator to assure proper ventilation. For
freezers 3 inches between the wall and rear of the
cabinet will assure proper ventilation.
Step 2 - Level Cabinet
Cabinet should be level, side to side and front to
back. Place a carpenter’s level in the interior floor
in four places:
A. Position level in the inside floor of the unit near
the doors. (Level should be parallel to cabinet
front). Level cabinet.
B. Position level at the inside rear of cabinet.
(Again level should be placed parallel to cabinet
back).
C. Perform similar procedures to steps a & b by
placing the level on inside floor (left and right
sides - parallel to the depth of the cooler). Level
cabinet.
Step 3
Draw an outline on the base on the floor.
Step 4
Raise and block the front side of the cabinet.
Step 5
Apply a bead of “NSF Approved Sealant”, (see list
below), To floor on half inch inside the outline
drawn. The bead must be heavy enough to seal
the entire cabinet surface when it is down on the
sealant.
Step 6
Raise and block the rear of the cabinet
Step 7
Apply sealant on floor as outline in Step 5. on other
three sides.
Step 8
Examine to see that cabinet is sealed to floor
around entire perimeter.
Note:
Asphalt floors are very susceptible to chemical
attack. A layer of tape on the floor prior to
applying the sealant will protect the floor.
NSF Approved Sealants:
1. Minnesota Mining #ECU800 Caulk
2. Minnesota Mining #ECU2185 Caulk
3. Minnesota Mining #ECU1055 Bead
4. Minnesota Mining #ECU1202 Bead
5. Armstrong Cork - Rubber Caulk
6. Products Research Co. #5000 Rubber Caulk
7. G.E. Silicone Sealer
8. Dow Corning Silicone Sealer
SEALING CABINET TO FLOOR
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INSTALLATION / OPERATION INSTRUCTIONS
A. The compressor is ready to operate. Plug in the
cooler.
B. Temperature control set at No. 4 position gives
refrigerators an approximate temperature of 35°F.
Allow unit to function several hours, completely
cooling cabinet before changing the control setting.
C. Excessive tampering with the control could
lead to service difficulties. Should it ever become
necessary to replace temperature control, be sure it
is ordered from your True dealer or recommended
service agent.
D. Good air flow in your True unit is critical. Be
careful to load product so that it neither presses
against the back wall, nor comes within four inches
of the evaporator housing. Refrigerated air off the
coil must circulate down the back wall.
NOTE
If the cooler is disconnected or shut off, wait  ve
minutes before starting again.
RECOMMENDATION
Before loading product we recommend you
run your True unit empty for two to three days.
This allows you to be sure electrical wiring and
installation are correct and no shipping damage
has occurred. Remember, our factory warranty
does not cover product loss!
REPLACEMENT PARTS
TRUE maintains a record of the cabinet serial
number for your cooler. If at any time during
the life of your cooler, a part is needed, you
may obtain this part by furnishing the model
number and serial number to the company from
whom you purchased the cooler. Call Toll-Free:
(800)-424-TRUE (Direct to Parts Department).
(800)-325-6152 (U.S.A. & Canada only) or call:
(636)-240-2400.
STARTUP
WARNING:
COMPRESSOR BAND MUST BE REMOVED
BEFORE UNIT IS CONNECTED TO POWER
SUPPLY.
The metal band can be reached from the rear of
the unit. A pair of tin snips will cut through the
band. Once the band is located and removed. You
may proceed with the installation of your new
equipment. (See image to the right).
FREEZERS ONLY! (COMPRESSOR BAND REMOVAL)
PLEASE CHECK YOUR COMPRESSOR. IF THERE IS A SHIPPING BAND, PLEASE REMOVE.
Cutting band that is around compressor
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SHELVING INSTALLATION / OPERATION &
LIGHT SWITCH LOCATION
INSTALLATION / OPERATION INSTRUCTIONS
SHELF & ORGANIZER INSTALLATION:
Step 1
A. Hook shelf clips onto shelf standards.
(see illustration).
B. Position all four shelf clips equal in distance
from the floor for flat shelves.
WIRE SHELVES:
Wire shelves are oriented so that cross support bars
are facing down.
NOTE:
T-Series models include an airflow guard on the rear
of shelves to maintain an air space at the rear of the
cabinet. (see illustration).
Step 2
Place shelves on shelf clips making sure all corners
are seated properly.
LIGHT SWITCH LOCATION:
Light switch location depends upon the T-Series model.
Most T-Series models will have the light switch located
inside the unit on the right side of the ceiling. Most
instances the switch is located next to the temperature
control. Some models have the switch located on the
right side of the evaporator housing along the interior
ceiling.
Shelf
Clip
Shelf
Shelf
T-Series
& GDM-5
Airflow
Guard
Pillaster
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INSTALLATION / OPERATION INSTRUCTIONS
ALL OTHER UNITS.
Defrost System!
This defrost system is temperature
terminated, however the time clock
has been designed with a time
termination back-up.
REQUIRED TOOLS:
• Phillips Screwdriver
1/4” Nut Driver or Socket
Locating The Defrost Timer:
See page 2 for removing louver grill
instructions.
Two Door Models:
Defrost timer is located in the middle of the
cabinet, behind the louvered grill. Timer
is mounted to the left of the centered ballast
box (Inside of gray timer box).
Three Door Models:
Defrost timer is located on the left upright
post behind the louvered grill (Inside of
gray timer box).
Setting the timer:
(UNPLUG UNIT FROM
POWER SUPPLY!)
DO NOT SET THE TIME BY
ROTATING THE “OUTER” DIAL.
Turn the minute hand clockwise until the
time of day on the outer dial is aligned with
the triangle marker on the inner dial (two
o’clock position).
The following procedure may be
followed to customize your needs.
STEP 1
In order to program the time to begin the
defrost cycle, flip the white tabs out to set
the defrost time. To eliminate a defrost
time flip the white tabs back toward the
center of the Defrost Timer.
NOTE:
True recommends a minimum 30
minute (2 tabs) defrost cycle three
times per day.
(Except T-19F/19FZ/23F).
FREEZERS DEFROST TIME CLOCK OPERATION
Inner most dial.
Time of day.
Outer most dial. White
tabs represent 15
minutes of defrost time.
Defrost Timer Box Image 1
All models except T-19F, T-19FZ, T-23F.
WARNING:
High usage, high temperature,
and high humidity may
require additional defrost
settings per day. Once clock
is set & grill is correctly
reinstalled cabinet can be
plugged in.
T-19F, T-19FZ, T-23F
Defrost System!
This defrost system is time initiated
/ time terminated. The refrigeration
system does not restart until the
defrost cycle has timed out.
REQUIRED TOOLS:
• Phillips Screwdriver
1/4” Nut Driver or Socket
Locating The Defrost Timer:
See page 2 for removing louver grill instructions.
* T-23F-2 / T-23DT Grill must be
reattached correctly for proper
operation.
Single Door Models:
Defrost timer is located in the lower right corner
behind the louvered grill (inside galvanized
electrical box).
Factory setting 2 am, 8 am, 2 pm, 8 pm.
15 minutes in length. True recommends
maximum 15 minute defrost cycles &
minimum 4 defrost periods per day.
Setting the timer:
(UNPLUG UNIT FROM
POWER SUPPLY!)
DO NOT SET THE TIME BY
ROTATING THE “OUTER” DIAL.
Turn the minute hand clockwise until the time of
day on the outer dial is aligned with the triangle
marker on the inner dial (two o’clock position).
The following procedure may be
followed to customize your needs.
STEP 1
In order to program the time to begin the defrost
cycle, flip the white tabs out to set the defrost
time. To eliminate a defrost time flip the white
tabs back toward the center of the Defrost Timer.
Outer most dial. White tabs represent 15 minutes of defrost time.
The white tabs located on the outmost area
of the time clock have been factory set
for (6:00 a.m., 2:00 p.m., and 10:00 p.m.).
Each tab represents 15 minutes of defrost
time. Notice that at each defrost time two
white tabs are set for 15 minutes each for a
total of 30 minutes of defrost.
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15
15
INSTALLATION / OPERATION INSTRUCTIONS
IF THE COMPRESSOR WILL
NOT RUN
1. If there is no voltage at the
compressor terminals, follow the
wiring diagram and check back from
compressor to the power supply to find
where the circuit is interrupted.
2. If power is available at the
compressor terminals, and the
compressor does not run, check the
voltage at the compressor terminals
while attempting to start the
compressor.
If voltage at the compressor terminals is
below 90% of the nameplate voltage, it
is possible the motor may not develop
sufficient torque to start. Check to
determine if wire sizes are adequate,
electrical connections are loose, the
circuit is overloaded, or if the power
supply is inadequate.
3. On single phase compressors,
a defective capacitor or relay may
prevent the compressor starting. If
the compressor attempts to start but
is unable to do so, or if there is a
humming sound, check the relay to
see if the relay contacts are damaged
or fused. The relay points should be
closed during the initial starting cycle,
but should open as the compressor
comes up to speed.
Remove the wires from the starting
relay and capacitors. Use a high
voltage ohmmeter to check for
continuity throughout the relay
coil. Replace the relay if there is not
continuity. Use an ohmmeter to check
across the relay contacts. Potential
relay contacts are normally closed when
the relay is not energized, current relay
contacts are normally open. If either
gives an incorrect reading, replace the
relay.
Any capacitor found to be bulging,
leaking, or damaged should be
replaced.
Make sure capacitors are discharged
before checking. Check for continuity
between each capacitor terminal and the
case. Continuity indicates a short, and
the capacitor should be replaced.
Substitute a “known to be good” start
capacitor if available. If compressor
then starts and runs properly, replace
the original start capacitor.
If a capacitor tester is not available, an
ohmmeter may be used to check run
and start capacitors for shorts or open
circuits. Use an ohmmeter set to its
highest resistance scale, and connect
prods to capacitor terminals.
a) With a good capacitor, the
indicator should first move zero, and
then gradually increase to infinity.
b) If there is no movement of the
ohmmeter indicator, an open circuit is
indicated.
c) If the ohmmeter indicator
moves to zero, and remains there or on
a low resistance reading, a short circuit
is indicated. Defective capacitors
should be replaced.
4. If the correct voltage is available
at the compressor terminals, and no
current is drawn, remove all wires from
the terminals and check for continuity
through the motor windings. On single
phase motor compressors, check for
continuity from terminals C to R, and C
to S. On compressors with line break
inherent protectors, an open overload
protector can cause a lack of continuity.
If the compressor is warm, wait one
hour for the compressor to cool and
recheck. If continuity cannot be
established through all motor windings,
the compressor should be replaced.
Check the motor for ground by means
of a continuity check between the
common terminal and the compressor
shell. If there is a ground, replace the
compressor.
5. If the compressor has an external
protector, check for continuity through
the protector or protectors. All external
inherent protectors on compressors can
be replaced in the field.
IF THE MOTOR COMPRESSOR
STARTS BUT TRIPS
REPEATEDLY ON THE
OVERLOAD PROTECTOR
1. Check the compressor suction
and discharge pressures while the
compressor is operating. Be sure the
pressures are within the limitations
of the compressor. If pressures are
excessive it may be necessary to clean
the condenser, purge air from the
system, replace crankcase pressure
regulating valve.
An excessively low suction pressure
may indicate a loss of charge.
On units with no service gauge parts
where pressures can be checked, check
condenser to be sure it is clean and fan
is running. Excessive temperatures on
suction and discharge line may also
indicate abnormal operating conditions.
2. Check the line voltage at the motor
terminals while the compressor is
operating. The voltage should be
within 10% of the nameplate voltage
rating. If outside those limits, the
voltage supply must be brought
within the proper range, or a motor
compressor with different electrical
characteristics must be used.
3. Check the amperage drawn while
the compressor is operating. Under
normal operating conditions, the
amperage drawn will seldom exceed
110% of the nameplate amperage.
High amperage can be caused by low
voltage, defective running capacitors,
or a defective starting relay.
Continued on next page
............ www.truemfg.com ............
True Food Service Equipment, Inc.
16 16
INSTALLATION / OPERATION INSTRUCTIONS
4. If all operating conditions are
normal, the voltage supply at the
compressor terminals balanced and
within limits, the compressor crankcase
temperature within normal limits,
and the amperage drawn within the
specified range, the motor protector
may be defective, and should be
replaced.
If the operating conditions are normal
and the compressor is running
excessively hot for no observable
reason, or if the amperage drawn is
above the normal range and sufficient
to repeatedly trip the protector, the
compressor has internal damage and
should be replaced.
IF THE COMPRESSOR RUNS
BUT WILL NOT REFRIGERATE
1. Check the refrigerant charge.
Check the evaporator surface
to determine if it is evenly cold
throughout, or if partially starved. A
lack of charge may be indicated by
light, fluffy frost at the evaporator inlet.
Add refrigerant if necessary.
2. Check the compressor suction
pressure. An abnormally low pressure
may indicate a loss of refrigerant
charge, a malfunctioning capillary tube,
a lack of evaporator capacity possibly
due to icing or low air flow, or a
restriction in the system.
Often a restriction in a drier or strainer
can be identified by frost or a decrease
in temperature across the restriction due
to the pressure drop in the line. This
will be true only if liquid refrigerant
is in the line at the restricted point,
since any temperature change due to
restriction would be caused by the
flashing of liquid into vapor as the
pressure changes.
Any abnormal restriction in the system
must be corrected.
3. Check the compressor discharge
pressure. An abnormally high
discharge pressure can cause a loss of
capacity, and can be caused by a dirty
condenser, a malfunctioning condenser
fan, or air in the system.
4. If the suction pressure is high,
and the evaporator and condenser
are functioning normally, check the
compressor amperage draw. An
amperage draw near or above the
nameplate rating indicates normal
compressor or unit may have damaged
valves.
An amperage draw considerably below
the nameplate rating may indicate a
broken suction reed or broken
connecting rod in the compressor.
DIAGNOSIS AND
REPLACEMENT OF FREEZER
CABINET COMPONENTS
1. Defrost Time Clock
A. Check timer motor to be sure
it runs.
B. Check contacts on the defrost
timer.
C. Check solenoid windings for
continuity to ensure contact
switching.
D. Check to be sure defrost
actuator pins are in proper
position.
E. Check all wires in the timer for
tightness to terminals and
broken wires.
2. Defrost Control On The
Evaporator Drain Pan
A. If the defrost time is always
35 minutes (or whatever duration
the elapsed time adjustment is set
at) and the fan motors do not delay
after a defrost cycle and it has been
determined that the solenoid in the
defrost clock is functioning, change
the defrost control in the evaporator
compartment in the top of the
freezer. This control is attached to the
evaporator drain pan.
3. Coil Defrost Heater
A. Lower the evaporator cover.
Disconnect the coil heater by removing
the wire nuts at the point where the
heater joins the electrical circuit of the
freezer in the evaporator compartment.
Check heater for continuity with an
ohmmeter. If the heater is defective,
cut the bale wires holding the heater
to the coil and remove the heater.
Replace with a new heater using bale
wires provided.
4. Drain Tube Heater
A. Lower the evaporator cover.
Disconnect the drain tube heater by
removing the wire nuts at the point
where the heater joins the electrical
circuit of the freezer in the evaporator
compartment. Check the drain tube
heater with an ohmmeter.
B. If the drain tube heater is
defective, disconnect the drain tube
from the rigid plastic drain, bend the
tabs that hold the evaporator drain pan
to the evaporator cover and raise the
drain pan so that the flexible heater is
visible, pull heater out of the plastic
drain tube and replace. Connect heater
to the electrical circuit in the evaporator
compartment.
5. Cabinet Temperature
Control
A. Remove the two screws on the
right side of the evaporator housing
that holds the control mounting plate.
Reach behind the evaporator housing
on the control side of the cabinet
and pull the control bulb out of the
receptacle in the roof of the cabinet.
Disconnect the wires from the control.
Check control for continuity, replace if
defective.
............ www.truemfg.com ............
True Food Service Equipment, Inc.
17
17
INSTALLATION / OPERATION INSTRUCTIONS
REQUIRED TOOLS
• none
STEP 1
Locate rubber gasket behind lamp holder
mounted to evaporator housing. (See
Image 1).
STEP 2
Fit the bottom edge of the lamp cover
into the bottom groove of the rubber
gasket and rotate upwards while
working the edges into the rest of the
rectangular groove. (See Images 2-3).
(slide fingers underneath top edges of
rubber gasket and push rubber over the
top lip of the lamp shield)
STEP 3
Be sure lamp cover is seated properly in
rubber gasket.
- IMPORTANT -
Before replacing light cover
turn cabinet on and wait until it
reaches temperature.
- NOTE -
If cabinet is turned off and
interior allowed to warm up
lamp cover may become loose
and require reinstallation.
Follow directions above.
- IMPORTANT -
Before replacing light cover
turn cabinet on and wait until it
reaches temperature.
- IMPORTANT -
Before installing lamp cover
turn cabinet on and allow it to
reach temperature.
Rubber Gasket
Lamp Holder
Lamp Cover
3
2
1
Light Cover Installation for T-12FG
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True Food Service Equipment, Inc.
18 18
MAINTENANCE, CARE & CLEANING
REQUIRED TOOLS:
• Phillips Screwdriver
Stiff Bristle Brush
• Adjustable Wrench
Air Tank or CO
2
Tank
• Vacuum Cleaner
Step 1
Disconnect power to unit.
Step 2
SLIDE DOOR MODELS: (See Image 1)
Take off lower grill assembly by removing two (2)
screws in lower corners. (older models may have snap
lock tabs instead of screws).
Loosen screws holding the top pivot pins. Swing grill
up and remove frame hooks from pivot pins at top of
louver.
SWING DOOR MODELS: (See Image 2)
Take off lower grill assembly by opening the door and
removing screws from the top of the louver grill. Some
models have a door light switch. Please use caution
when removing the grill on these models. Do not pinch
wires. For reinstall, reattach the grill to the magnets on
front of the cabinet and reinstall the screws on top of
the grill.
Step 3
Remove bolts anchoring compressor assembly
to frame rails and carefully slide out. (tube
connections are flexible)
Step 4
Clean off accumulated dirt from the condenser coil and
the fan with a stiff bristle brush.
Step 5
Lift cardboard cover above fan at plastic plugs and
carefully clean condenser coil and fan blades.
Step 6
INDOOR LOCATION:
After brushing condenser coil vacuum dirt from coil,
and interior floor.
OUTDOOR LOCATION:
(GDM-33, GDM-47, and GDM-49 only) After brushing
condenser coil blow CO
2
through condenser from fin
side to fan. (See Image 4.)
Step 7
Replace cardboard cover. Carefully slide compressor
assembly back into position and replace bolts.
Step 8
Reinstall louver assembly onto unit with appropriate
fastener and clips. Tighten all screws.
Step 9
Connect unit to power and check to see if compressor
is running.
MAINTENANCE, CARE & CLEANING
CLEANING THE CONDENSER COIL
When using electrical appliances, basic safety precautions should be followed, including the following:
P
NEPCO/CENTRALAB
1227-5
REMOVE COVER MAKE POWER CONNECTION
E. McCabe
Image 1. Slide
Door Models
Image 3.
Image 4.
Image 2. Swing Door Models
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